The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 1985
Filed:
May. 25, 1983
Applicant:
Inventor:
Hans-Werner Schulz, Wenzenbach, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C / ;
U.S. Cl.
CPC ...
52799 ; 52807 ; 52145 ;
Abstract
A ventilation inset for shielded cabins and room screening devices, includes mutually parallel and spaced apart adjacent metal sheets each having slots formed therein, the slots in each of the sheets being shifted relative to the slots in the next adjacent sheet, and a multiplicity of air-permeable waveguides disposed between each two adjacent sheets providing communication between the interior of the cabins and the surroundings.